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09/20/07 - USPTO Class 429 | 30 views | #20070218353 | Prev - Next | About this Page

System and method for inhibiting the propagation of an exothermic event

Title: System and method for inhibiting the propagation of an exothermic event

Related Patent Categories: Chemistry: Electrical Current Producing Apparatus, Product, And Process, With Heat Exchange Feature

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20070218353, System and method for inhibiting the propagation of an exothermic event.

1. A method of dispersing heat from thermal reactions among a plurality of power storage devices having at least one width, comprising: for each of the power storage devices in the plurality, locating said power storage device not farther away than a half a width of one power storage device apart from at least one other of the plurality of power storage devices; and at least partially contacting a case of each of the plurality of power storage devices with at least one material that conducts heat more quickly than heat is transferred by air so that heat released from one of the power storage devices in the plurality will be transferred to at least one other power storage device in the plurality of power storage devices via the material.

2. The method of claim 1 wherein the at least one material covers approximately 5%-15% of the height of each of at least some of the plurality of power storage devices.

3. The method of claim 2 wherein the at least one material initially comprises a liquid that solidifies.

4. The method of claim 3 wherein the at least one material comprises potting compound.

5. The method of claim 1 wherein the plurality of power storage devices are located in at least one substrate.

6. The method of claim 1, wherein the at least one thermally conductive material comprises a solid sheet.

7. The method of claim 1, wherein the at least one thermally conductive material comprises a material for which at least a portion will change phase upon the occurrence of a failure of at least one of the power storage devices in the plurality.

8. The method of claim 1, wherein the some of at least one material is substantially electrically insulating at least at a portion at which the material contacts the case of each of the plurality of power storage devices.

9. A battery pack produced by the method of claim 1.

10. A vehicle produced by the method of claim 1.

11. An electrical storage pack, comprising: a plurality of devices capable of storing a charge, each having at least one width, each of the plurality of devices capable of storing a charge located not more than a half of the width of one such device apart from at least one other of the plurality of devices; at least one material that conducts heat more readily than heat is transferred by air, at least in part surrounding the devices capable of storing a charge, so that heat released from one of the devices capable of storing a charge in the plurality will be transferred to at least one other device capable of storing a charge in the plurality of devices capable of storing a charge via the material.

12. The electrical storage pack of claim 11 wherein the at least one material covers approximately 5-15% of the height of each of at least some of the plurality of devices capable of storing a charge.

13. The electrical storage pack of claim 12 wherein the at least one material initially comprises a liquid that at least partially solidifies.

14. The electrical storage pack of claim 13 wherein the at least one material comprises potting compound.

15. The electrical storage pack of claim 11 wherein the plurality of devices capable of storing a charge are located in at least one substrate.

16. The electrical storage pack of claim 11, wherein the at least one material comprises a solid sheet.

17. The electrical storage pack of claim 11, wherein the at least one material comprises a material for which at least a portion will change phase upon the occurrence of a failure of at least one of the devices capable of storing a charge in the plurality.

18. The electrical storage pack of claim 11, wherein the at least one material is substantially electrically insulating at least at a portion at which the at least one material contacts a case of each of the plurality of battery cells.

19. A method of distributing heat from a heat-releasing device capable of storing a charge comprising: absorbing, by at least one thermally conductive material, at least some of the heat from the battery cell; and distributing, by the at least one thermally conductive material, at least some of the heat absorbed to a plurality of devices capable of storing a charge.

20. The method of claim 17, wherein the heat is distributed by the at least one thermally conductive material to: at least one of the devices capable of storing a charge near to the heat releasing battery cell; and at least one of the devices capable of storing a charge farther away than the at least one battery cell near to the heat releasing battery cell.

21. The method of claim 19, wherein the at least one thermally conductive material is substantially electrically insulating at least at a portion at which the at least one material contacts a case of each of the plurality of battery cells

Brief Patent Description - Full Patent Description - Patent Claims

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Previous Patent Application:
Nonaqueous liquid electrolyte and nonaqueous liquid electrolyte secondary battery
Next Patent Application:
Secondary battery of improved life characteristics by elimination of metal ions
Industry Class:
Chemistry: electrical current producing apparatus, product, and process

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